Display and testing counter



FIG. 1 is a perspective view of a display and testing counter, embodying our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for display and testing counter, as shown and described. 